Home >Web Front-end >JS Tutorial >About jQuery to achieve positioning and navigation effects
This article mainly introduces the positioning and navigation position effect based on jQuery in detail, and shares the specific code for Android Jiugongge picture display, which has certain reference value. Interested friends can refer to it. I hope it can help everyone. .
When the scroll bar scrolls to the content area, the side navigation bar is positioned on the screen, stops moving, and clicks on the navigation bar to jump to the location of the content;
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<style>
*{
padding: 0;
margin: 0;
}
.left{
float: left;
padding: 0 0 328px 0;
}
.left p{
width: 800px;
height: 300px;
line-height: 300px;
text-align: center;
font-size: 30px;
background: gray;
margin: 10px 0;
}
.nav{
position: absolute;
right:20px;
top: 20px;
}
.nav p{
width: 100px;
height: 80px;
line-height: 80px;
text-align: center;
background: pink;
margin: 10px 0;
cursor: pointer;
}
.bottom{
overflow: hidden;
width: 100%;
position: relative;
}
</style>
<title>Document</title>
</head>
<body>
<img style="width:100%" src="o_1bsmo1kpn1hp61bm0176i1bk618uo9.jpg" alt="">
<p class="bottom">
<p class="left">
<p class="one leftp" id="one">
一
</p>
<p class="conOne leftp" id="two">
二
</p>
<p class="leftp" id="three ">
三
</p>
<p class="leftp" id="four">
四
</p>
</p>
<p class="nav">
<p class="one navp">one</p>
<p class="two navp">two</p>
<p class="three navp">three</p>
<p class="four navp">four</p>
</p>
</p>
<script src="jquery.js"></script>
<script>
$(window).scroll(function(e){
console.log($(window).scrollTop());
if ($(window).scrollTop() >$('#one').offset().top) {
$('.nav').css({'position':'fixed'});
console.log('ss');
} else{
$('.nav').css({'position':'absolute'});
}
})
$('.nav p').click(function(){
var i = $('.navp').index(this);
var x = $('.leftp').eq(i).offset().top;
$('html, body').animate({scrollTop:x+'px'},500);
})
</script>
</body>
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